I’m pretty sure it’s Testificar
For the first question, the answer is "c"
For the second question, the answer is "-e change to -i"
I think for this question you did a mistake in the choices
For the third question, the answer is "c"
The translation is:
Interesting text considering punctuation marks, connectors, Coherence, speech markers and minimum 40
The narrator in El Viejo Goleador, by José Cantero Verni, is talking to a soccer player who is “old” and people did not believe in him.